despite being under investigation by the fbi and the house ethics committee. now, jackson has resigned, citing concerns for his health, but his resignation does not come without questions including about the allegations of possible misuse of campaign funds. chicago sun times washington bureau chief lynn sweet joins me from chicago. good to have you with us. >> thank you. >> lynn, first, can you tell us if we know any more about what exacerbated the health problem back in june? because it seems look a lot of the variables, a lot of the root causes had been in place for some time before june. >> well, you know, there were investigations of him, there is another figure that was a player in the overall broader investigation of former now imprisoned governor rod blagojevich that had pled guilty to a charge at about the time that jesse jackson jr. was started being absent and eventually checked into mayo. so we don't know exactly when he knew about this second criminal probe, the one dealing with his campaign finances, but it was just a -- it is the -- when he went